Question

Jill says that 12.6666666 is less than 12.63 explain Her error

Answer 1

Look at the last number in the decimal.

12.66
12.63

Compare 6 and 3. 6 is larger so therefore 12.6666666 is larger. (You also need to compare the tenths place too, but these happen to have the same tenths place, .6.